/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base;

import java.util.function.Supplier;

/**
 * the time range index maker works for super size dataset
 */
public class TimeRangeIndexNameGenerator implements Supplier<String[]> {

    private final long startSecondTB;
    private final long endSecondTB;
    private final String indexName;

    public TimeRangeIndexNameGenerator(final String indexName,
                                       final long startSecondTB,
                                       final long endSecondTB) {
        this.startSecondTB = startSecondTB;
        this.endSecondTB = endSecondTB;
        this.indexName = indexName;
    }

    @Override
    public String[] get() {
        return TimeSeriesUtils.superDatasetIndexNames(indexName, startSecondTB, endSecondTB);
    }
}
